Abstract Substituted 1H-pyrazolo [3, 4-b] pyridine-4-and 1H-pyrazolo [3, 4-b] pyridine-6-
carboxamides have been synthetized through a Doebner–Ugi multicomponent reaction …

Peptidomimetics with a substituted imidazo [1, 2-a] pyridine fragment were synthesized by a
tandem of Groebke–Blackburn–Bienaymé and Ugi reactions. The target products contain …

A small-sized library of novel 3, 4, 11, 1 la-tetrahydro-2#-pyrazino [l, 2-0] isoquinolin-l (6//)-
ones is synthesized. Key synthetic step is based on a new variant of Ugi four component …

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The synthesis of polysubstituted imidazopyridines and imidazopyrazines through the
orthogonal union of Groebke-Blackburn and Ugi reactions is described. These motifs were …

A novel tunable regioselective synthesis of pyrazolo [3, 4-d] pyrimidine derivatives via aza-
Wittig/Ag (I) or base-promoted tandem reaction has been developed. This approach …

Herein we describe a catalyst-free, one-pot procedure employing an Ugi-4CR between
propargyl glycine, functionalised 2-azidoanilines, different isocyanides and aldehydes …

A synthetic route leading to densely functionalized 2-oxopiperazines is presented. The
strategy employs a 5-center-4-component variant of Ugi multicomponent reaction followed …

In the current study, a three-component protocol was adopted to efficiently synthesize
butane-linked bis (pyrazolo [1, 5-a] pyrimidines) 1 attached to arene units in 74–81% yields …

A series of eight 5-nitrofuran-tagged oxazolyl tetrahydropyrazolopyridines (THPPs) has
been prepared in six stages with excellent regioselectivity. The testing of these compounds …